• Sri Lanka attacks207 killed, 400 injured in Easter Sunday attacks on churches, hotels in Sri Lanka

    In the worst wave of terrorist violence in Sri Lanka in ten years, a series of blasts on Sunday have hit churches and hotels in and near the Sri Lankan capital, Colombo. The nearly simultaneous blasts targeted churches during Easter services and hotels frequented by foreign guests. Sri Lankan officials said 207 people, including at least 27 foreigners, had been killed in the blasts in Colombo and elsewhere. More than 400 more have been injured.

  • VisasAfrican asylum-seekers may bear brunt of proposed travel curbs

    As the White House mulls new travel restrictions on countries with high visa overstay rates, activists say African asylum-seekers may feel the consequences.

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  • ISISUN calls for repatriation of IS wives, children in Syria

    The U.N. Office for the Coordination of Humanitarian Affairs (OCHA) is calling on countries to repatriate thousands of wives and children of Islamic State militants in Syria, who are living in dire conditions in the al-Hol camp in al-Hasakeh governorate in northeast Syria.

  • The Russia connectionDeterring Russian intimidation and aggression: Unconventional approaches

    Amid concerns that Estonia, Latvia and Lithuania are vulnerable to Russian intimidation and hybrid warfare, experts conclude that unconventional defense plans could help deter and counteract Russian aggression.

  • School safety“Hardened” schools are not safe from gun violence

    Hardening of schools seems to be a questionable endeavor, given the dearth of evidence regarding effectiveness, says an expert. A comprehensive review of the literature from 2000 to 2018 regarding school firearm violence prevention, found no programs or practices with evidence that they reduced such gun violence.

  • School safetyHow Columbine became a blueprint for school shooters

    By Jillian Peterson

    When twelve students and one teacher were killed in Littleton, Colorado twenty years ago, it not only became what at the time was the worst high school shooting in U.S. history. It also marked when American society was first handed a script for a new form of violence in schools. Since the 1999 tragedy at Columbine High School, we identified six mass shootings and forty active shooter incidents at elementary, middle or high schools in the United States. In twenty – or nearly half – of those forty-six school shootings, the perpetrator purposely used Columbine as a model.

  • Mass violenceExposure to mass violence on the media leads to cycle of distress

    The more people watch, listen or scroll through hours of news coverage of events such as terrorist attacks, the more likely they are to develop stress symptoms that in turn increase their media consumption during the next mass violence event, according to a nationwide study.

  • First responder technologyS&T seeking partners for first responder technology R&D

    DHS S&T said it was inviting industry, academia, laboratories, and the innovation community to submit white papers related to twelve first responder technology funding opportunities. S&T said that each of the twelve topic areas “represent technology needs identified by responders themselves, and we are seeking the best partners to turn these needs into solutions.”

  • Considered opinion: Climate & national securityClimate change: Our greatest national security threat?

    By Mark Nevitt

    The climate century is here: the earth is warming, humans are to blame, and we must take immediate action now to prepare for climate change’s massively disruptive consequences. Mark Nevitt writes in Just Security that No longer can climate change be categorized solely as an environmental issue—it is a grave threat to national security. Indeed, it may be the threat. While there are many national security challenges facing the nation and the world, climate change is an aptly described “super wicked” problem that exacerbates and accelerates already existing threats.

  • Climate threatsEnvironmental “secondary perils” an increasing threat: Swiss Re

    The catastrophe loss experience of the last two years is a wake-up call for the insurance industry, highlighting a trend of growing devastation wreaked by so-called ‘secondary perils’ – which are independent small to mid-sized events, or secondary effects of a primary disaster.

  • Planetary securityDefending the Earth from asteroids

    A mere 17-20 meters across, the Chelyabinsk meteor caused extensive ground damage and numerous injuries when it exploded on impact with Earth’s atmosphere in February 2013. To prevent another such impact, researchers use a simple yet ingenious way to spot these tiny near-Earth objects (NEOs) as they hurtle toward the planet.

  • Our picksA risk analysis of Huawei 5G; immigration enforcement dominates DHS; Iranian cyber-espionage tools, and more

    ·  A risk analysis of Huawei 5G

    ·  America retains long-term national advantages over China

    ·  Under Trump, immigration enforcement dominates Homeland Security mission

    ·  Microsoft unveils two secret data centers built for classified government data

    ·  Polluted water from Camp Fire is poisoning Paradise, Calif.

    ·  Mueller Report reveals shocking new details about Trump, Russia, obstruction

    ·  Mueller: Trump told his aides to interfere in the investigation, they just didn’t listen

    ·  Mueller on obstruction: Evidence prevents “conclusively determining no criminal conduct occurred”

    ·  Facebook bans British far-right groups and their leaders

    ·  Source code of Iranian cyber-espionage tools leaked on Telegram

    ·  Why a hacking operation by a proto-state in Ukraine could spell trouble for the U.S.

  • CubaU.S. allows lawsuits against foreign companies using property seized by Cuba

    The U.S. will allow U.S. citizens to sue foreign companies and individuals who use property confiscated from them decades ago by the government of then-Cuban leader Fidel Castro. The decision likely will hinder Cuba’s efforts to encourage foreign investment to the island.

  • CybersecurityIdentifying new way to improve cybersecurity

    With cybersecurity one of the nation’s top security concerns and billions of people affected by breaches last year, government and businesses are spending more time and money defending against it. Researchers have identified a new way to improve network security.

  • CybersecurityThere’s a massive cybersecurity job gap – we should fill it by employing hackers

    By John McAlaney and Helen Thackray

    Cybersecurity incidents are gaining an increasingly high profile. These attacks are becoming increasingly sophisticated, using psychological manipulation as well as technology. To face these challenges, society needs cybersecurity professionals who can protect systems and mitigate damage. There is already an active population with a strong passion for cybersecurity – hackers.

  • Extremism & social mediaSocial media networks aid, abet white supremacist terrorism: Study

    A new study reveals how fringe social media sites such as Gab, 4 Chan and 8chan act like virtual “round-the-clock white supremacist rallies” where hateful notions of Jews and other minorities are openly espoused and closely associated with violence as a solution.

  • Seismic early warningsSensing earthquakes in a new way to help improve early warning systems

    Every year earthquakes worldwide claim hundreds or even thousands of lives. Forewarning allows people to head for safety and a matter of seconds could spell the difference between life and death. Researchers demonstrate a new earthquake detection method — their technique exploits subtle telltale gravitational signals traveling ahead of the tremors. Future research could boost early warning systems.

  • Emergency communicationsNovel compact antenna for communicating where radios fail

    A new type of pocket-sized antenna could enable mobile communication in situations where conventional radios don’t work, such as under water, through the ground and over very long distances through air. The 4-inch-tall device could be used in portable transmitters for rescue missions and other challenging applications demanding high mobility.

  • DetectorsNew sensors can sense and sort troublesome gases

    From astronauts and submariners to miners and rescue workers, people who operate in small, enclosed spaces need good air quality to work safely and effectively. Newly developed electronic sensors can simultaneously detect at least three critical parameters that are important to monitor to ensure human comfort and safety.

  • Space weatherAccurately predicting harmful space weather’s “killer” electrons

    A new space weather model reliably predicts space storms of high-energy particles that are harmful to many satellites and spacecraft orbiting in the Earth’s outer radiation belt. The model can accurately give a one-day warning prior to a space storm of ultra-high-speed electrons, often referred to as “killer” electrons because of the damage they can do to spacecraft such as navigation, communications, and weather monitoring satellites.

  • Our picksLondon’s knife crime epidemic; Notre Dame Cathedral fire conspiracy theories; climate change & border crisis, and more

    ·  U.S. measles outbreaks are the “new normal” thanks to Europe’s epidemic and anti-vaccine campaigns, experts say

    ·  Measles outbreak drains resources we may need for a future epidemic or bioterrorist attack

    ·  The four things London needs to do to fix its knife crime epidemic

    ·  How Trump’s border crisis is driven by climate change

    ·  The state of FirstNet, America’s public safety broadband network

    ·  Trump administration to withhold bail from asylum seekers in latest border crackdown

    ·  What’s driving the rise of the anti-vaxxers?

    ·  Notre Dame Cathedral fire conspiracy theories flourish after investigators say there’s no proof of terrorism

    ·  A timeline of how the Notre Dame fire was turned into an anti-Muslim narrative

    ·  Culture of secrecy shields hospitals with outbreaks of drug-resistant infections

  • Hemispheric securityNew air link evidence of Iran's growing influence in Venezuela

    This month’s re-opening of an air link between Tehran and Caracas as the latest evidence of Iran’s growing role alongside Russia and Cuba in bolstering the multilayered security apparatus keeping Venezuelan President Nicolas Maduro in power.